20350122025397 has 2 divisors, whose sum is σ = 20350122025398. Its totient is φ = 20350122025396.

The previous prime is 20350122025361. The next prime is 20350122025451. The reversal of 20350122025397 is 79352022105302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19648926809521 + 701195215876 = 4432711^2 + 837374^2 .

It is a cyclic number.

It is not a de Polignac number, because 20350122025397 - 2³⁰ = 20349048283573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20350122025327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10175061012698 + 10175061012699.

It is an arithmetic number, because the mean of its divisors is an integer number (10175061012699).

Almost surely, 2^{20350122025397} is an apocalyptic number.

It is an amenable number.

20350122025397 is a deficient number, since it is larger than the sum of its proper divisors (1).

20350122025397 is an equidigital number, since it uses as much as digits as its factorization.

20350122025397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 41.

The spelling of 20350122025397 in words is "twenty trillion, three hundred fifty billion, one hundred twenty-two million, twenty-five thousand, three hundred ninety-seven".